Astrid will be the lover of Lagertha. Explained by Michael Hirst as she is fed up with relationships with men so she wants women, this time.

Lagertha will meet Ragnar again but if this is before or after this relationship is unknown. Lagertha and Aslaug will meet each other in a feud because Lagertha still has revenge feelings for what Aslaug did to her family but especially taken away Ragnar from her.

Bjorn isn't so happy with the return of Ragnar. Bjorn, Floki, and Helga will go to an imaginary land what they will know as the mediterranean sea.

Ivar get trained by Ragnar. Ragnar is going to Floki and Lagertha to he wants peace but how will they react when Ragnar seeks for help from the two of them.

Jonathan Rhys Meyers is playing an unknown character but his first appearance will be in the last episode of season 4B